CATION Antonyms There are 3 antonyms of the word cation. (opposite meanings)Did you mean?Definition of CATIONAlso try opposite words for..catcatskittycatercationsBest Opposite Words For CATIONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1anionnounn2ionverb, nounv, n3moleculenounn Alternatives for ANION Words (10)atomcathodechlorideelectrodeelectronhalideionnegativepositivevalenceOpposite words for anion Alternatives for MOLECULE Words (5)atomcorpusclemoteparticlespeckOpposite words for molecule